Awesome if you can make the switch "at will"...

...annoying if you can't. lol

http://videogames.yahoo.com/events/brain-teasers/optical-illusion-10/1404940

My mom can see it go back and forth easily, but I'm having a tough time.

Click to reveal..
Edit: Now I can get it to switch, I think - it helps to look away, with it only in your peripheral vision, then imagine the rotation you're trying to see.

Last edited by ginaitaliangirl; 07/22/10 10:37 PM.